Somehow the O2 sensor was unplugged while working on hoses and intake, that took care of the P0141. The P0304 was taken care of by a new spark plug, old one had broke and the central electrode moved back and forth. No codes now and smooth idle!

Update for anyone in the future, took plug #4 out looked ok, wiped it off a bit reinstalled and no misfire now. Cleared O2 sensor code and rough idle went away. Pending code comes back but if I clear it after warming up and driving a bit it doesn't come back until another start. Going to check wirin...

Removed timing belt to replace front cam seals, used locking tool and had to deal with VVT. Broke a vacuum hose while doing it. The hose was from under injector cover to I believe temp sensor on intake air after MAF and before ETM. After putting back together car would start then die, no codes. Woul...

Removed timing belt to replace front cam seals, used locking tool and had to deal with VVT. Broke a vacuum hose while doing it. The hose was from under injector cover to I believe temp sensor on intake air after MAF and before ETM. After putting back together car would start then die, no codes. Woul...

I believe the A/C is related to compressor clutch shims, but does it also affect heat for vehicle?

Going to start checking clearance on compressor, but unsure where to start for no heat, but air is blowing.

Any advice appreciated.